Transformation of Metadata Descriptions
TransformationIn the context of crosswalking, transformation is the process of creating a target instance of the metadata description from the source instance. Related Guide is the process of creating a target instanceA metadata document describing a resource in a standards-compliant manner For example, the Everglades Hydrology and Water Quality Data document provided in XML by the USGS. Also, see other MMI-provided metadata instance examples. of the metadataData about data. Metadata provides a context for research findings, ideally in a machine-readable format. It enables discovery of data via an electronic interface, and correct use and attribution of findings. Related Guide description from the source instance. The transformation uses semantic mappingIn the context of crosswalking, elements in the source schema are explicitly mapped to elements in the target schema during semantic mapping. Related Guide and rules to create the target instance.
It is important to note that the result of the transformation is a metadata description. The created description is sometimes referred to as a crosswalkDocuments that map metadata elements between different metadata standards. Related Guide, but this is an inappropriate usage of the word. See the Crosswalk guide for more information about the distinction.